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Helper III

## Calculating an average of a filtered sharepoint list

Hello everyone,

i would like to get statistic values of a sharepont list.

We organize suggestions for improvement of our employees and i would like to know what is the average duration between submit date and enddate of a suggestion. This average shall only consider suggestions that were submitted in a defined period of time.

To clarify what i mean i show a table:

 SuggestionID SubmitDate Enddate 1 01.05.2022 20.05.2022 2 01.06.2022 10.06.2022 3 01.01.2023 10.01.2023

For example evaluationperiod is 01.01.2022 to 31.12.2022

- Suggestion ID3 will not be considered.

- For ID1 the processing time is 20 days, for ID2 it is 10 days.

- So the average for 2022 is 15 days.

How do i put this into a formula?

Jürgen

2 ACCEPTED SOLUTIONS

Accepted Solutions
Super User

@JürgenD

Most Valuable Professional

Firstly the formula posted by @Drrickryp is correct if placed in a Label on the screen, but your translation to your values is missing the field to average - it should be

``````Average(
BVW_Vorschlag;
"Duration";
DateDiff(
VorschlagsDatum;
Abschlussdatum
)
),
Duration
)``````

If you want a specific period, add a couple of Date Pickers

``````Average(
Filter(
BVW_Vorschlag;
SubmitDate >=SubmitDatePicker.SelectedDate &&
EndDate <= EndDatePicker.SelectedDate
);
"Duration";
DateDiff(
VorschlagsDatum;
Abschlussdatum
)
),
Duration
)``````

4 REPLIES 4
Super User

@JürgenD

Helper III

unfortunately it does'n work:

PowerApps tells me:

"Invalid argumemt type table. Instead, a number value is expected"

Most Valuable Professional

Firstly the formula posted by @Drrickryp is correct if placed in a Label on the screen, but your translation to your values is missing the field to average - it should be

``````Average(
BVW_Vorschlag;
"Duration";
DateDiff(
VorschlagsDatum;
Abschlussdatum
)
),
Duration
)``````

If you want a specific period, add a couple of Date Pickers

``````Average(
Filter(
BVW_Vorschlag;
SubmitDate >=SubmitDatePicker.SelectedDate &&
EndDate <= EndDatePicker.SelectedDate
);
"Duration";
DateDiff(
VorschlagsDatum;
Abschlussdatum
)
),
Duration
)``````

Helper III

Hello Warren,
thank you again for your help. After many years of programming with VBA i still have problems to understand the powerapp syntax. Now i got it - at least in this case :-).  Thanks to Derrick too.
I am happy bout people like you for their help!

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